{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["process characterization", "application", "machine or equipment", "material", "enabling technology", "engineering feature"], "input": "SLM – Selective Laser Melting – the system starts by applying a thin layer of the powder material spread by a roller on the building platform ."}
{"process characterization": [], "application": [], "machine or equipment": ["roller", "building platform"], "material": ["powder material"], "enabling technology": [], "engineering feature": []}